The latter left viewers feeling rather puzzled, especially when Dolly, Kacey, and Katy got together to sing the Dolly classic, "Here You Come Again." Suffice it to say, people were not thrilled about the rendition.

Kevin MazurGetty Images

"Starting off this Dolly Parton tribute with...*checks notes*... Katy Perry," a follower sarcastically tweeted. "Who let Katy Perry be in this Dolly tribute, I just want to talk," another person added. "Somebody tell Katy Perry she’s honoring Dolly, not trying out for American Idol," one fan quipped. "You ruined that song!" one even claimed.

Though diehard Dolly fans were a bit disappointed, Dolly only had the sweetest words to say after the show. "I will always love you!! Thanks for joining me tonight!" she tweeted to all the performers she sang with—yes, including Katy.

The "Firework" singer also seems to be good friends with Kacey. Last night, Katy shared two throwback photos of the duo singing together with the caption: "Been sangin' Dolly with you since 2014. So proud of your growth ❤️ Rootin' for you tonight @KaceyMusgraves This is your #GoldenHour."

At least everyone can agree on one thing: We're always rootin' for Kacey!

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